1842 - 1923 (80 jaar)
| Josina Hendrika Ylstra 1864-1867 |
| Josina Hendrika Ylstra | |
| G: | 7 feb 1864 |
| Rotterdam | |
| O: | 10 dec 1867 |
| Rotterdam | |
Hendrik van der Waals 1917-1999 |
| Hendrik van der Waals | |
| G: | 18 mrt 1917 |
| Nijmegen | |
| O: | 8 mrt 1999 |
| Arnhem | |
| Rika van der Waals 1919-2006 |
| Rika van der Waals | |
| G: | 7 jul 1919 |
| O: | 28 feb 2006 |
| Petronelle Maria Anna van Bael 1892-1977 |
| Petronelle Maria Anna van Bael | |
| G: | 19 jun 1892 |
| Rotterdam | |
| O: | 23 jul 1977 |
| Breda | |
| Hendrik Gerardus van der Waals 1891-1957 |
| Hendrik Gerardus van der Waals | |
| G: | 17 apr 1891 |
| Rotterdam | |
| H: | 13 jul 1916 |
| Rotterdam | |
| O: | 13 okt 1957 |
| Breda | |
| Dorothy B van Bael 1927- |
| Dorothy B van Bael | |
| G: | 1927 |
| Eleanor J van Bael 1931- |
| Eleanor J van Bael | |
| G: | 1931 |
| Sjouke van Bael 1895- |
| Sjouke van Bael | |
| G: | 5 dec 1895 |
| Rotterdam | |
| Eleanor M van Bael 1898- |
| Eleanor M van Bael | |
| G: | 1898 |
| Hendrika Maria Ylstra 1866- |
| Hendrika Maria Ylstra | |
| G: | 12 jan 1866 |
| Rotterdam | |
| Antonius Petrus Fredrik van Bael | |
| G: | 27 nov 1863 |
| Ginneken | |
| H: | 2 aug 1891 |
| Rotterdam | |
| Josina Hendrika Ylstra 1867- |
| Josina Hendrika Ylstra | |
| G: | 10 feb 1867 |
| Rotterdam | |
| Wijbrand Sjouke Ylstra 1868- |
| Wijbrand Sjouke Ylstra | |
| G: | 9 jul 1868 |
| Rotterdam | |
| Martijntje Fritz | |
| H: | 22 feb 1928 |
| Rotterdam | |
| Elizabeth Ylstra 1869-1870 |
| Elizabeth Ylstra | |
| G: | 16 nov 1869 |
| Rotterdam | |
| O: | 12 mei 1870 |
| Rotterdam | |
| Hendrik Sjouke Ylstra 1871-1873 |
| Hendrik Sjouke Ylstra | |
| G: | 19 jan 1871 |
| Rotterdam | |
| O: | 11 feb 1873 |
| Rotterdam | |
| Siegrifus Sjouke Ylstra 1875-1947 |
| Siegrifus Sjouke Ylstra | |
| G: | 11 mrt 1875 |
| Rotterdam | |
| O: | 15 jan 1947 |
| Zwolle | |
| Cornelia Johanna Snoeck 1893- |
| Cornelia Johanna Snoeck | |
| G: | 10 okt 1893 |
| Maassluis | |
| H: | 26 aug 1934 |
| Rotterdam | |
| Hendrik Sjouke Wijbrand Ylstra | |
| G: | 10 aug 1879 |
| Rotterdam | |
| Margje Pen -1955 |
| Margje Pen | |
| G: | 's-Gravenhage |
| H: | 29 jan 1913 |
| Rotterdam | |
| O: | 2 nov 1955 |
| Rotterdam | |
| lr. Johnnij Ylstra 1916-2002 |
| lr. Johnnij Ylstra | |
| G: | 6 sep 1916 |
| Rotterdam | |
| O: | 2 mei 2002 |
| Rotterdam | |
| Cornelius Sjouke Ylstra 1882- |
| Cornelius Sjouke Ylstra | |
| G: | 1 apr 1882 |
| Rotterdam | |
| Dina Beukelman 1884-1973 |
| Dina Beukelman | |
| G: | 24 jun 1884 |
| Gestel | |
| H: | 31 aug 1911 |
| Rotterdam | |
| O: | 2 apr 1973 |
| Rotterdam | |
| Adriana Elizabeth Ylstra -1952 |
| Adriana Elizabeth Ylstra | |
| G: | Rotterdam |
| O: | 12 feb 1952 |
| Rotterdam | |
| Johannes Lambertus van Winsen | |
| G: | Rotterdam |
| O: | 8 feb 1945 |
| Rotterdam | |
|
| Cornelia Muijsson 1842-1923 |
| Cornelia Muijsson | |
| G: | 3 jun 1842 |
| Rotterdam | |
| O: | 21 jan 1923 |
| Rotterdam | |
| Sjouke Ylstra -1897 |
| Sjouke Ylstra | |
| G: | Sneek |
| H: | 22 apr 1863 |
| Rotterdam | |
| O: | 27 aug 1897 |
| Rotterdam | |
